Analysis of Web search queries with very few or no results

buir.advisorUlusoy, Özgür
dc.contributor.authorSarıgil, Erdem
dc.departmentDepartment of Computer Engineeringen_US
dc.descriptionAnkara : The Department of Computer Engineering and the Graduate School of Engineering and Science of Bilkent University, 2012.en_US
dc.descriptionThesis (Master's) -- Bilkent University, 2012.en_US
dc.descriptionIncludes bibliographical references leaves 71-77.en_US
dc.description.abstractNowadays search engines have significant impacts on people’s life with the rapid growth of World Wide Web. There are billions of web pages that include a huge amount of information. Search engines are indispensable tools for finding information on the Web. Despite the continuous efforts to improve the web search quality, a non-negligible fraction of user queries end up with very few or even no matching results in leading commercial web search engines. In this thesis, we provide the first detailed characterization of such queries based on an analysis of a real-life query log. Our experimental setup allows us to characterize the queries with few/no results and compare the mechanisms employed by the three major search engines to handle them. Furthermore, we build machine learning models for the prediction of query suggestion patterns and no-answer queries.en_US
dc.description.statementofresponsibilitySarıgil, Erdemen_US
dc.format.extentxv, 77 leavesen_US
dc.publisherBilkent Universityen_US
dc.subjectWeb search enginesen_US
dc.subjectSearch result qualityen_US
dc.subjectQuery difficultyen_US
dc.subjectQuery resultsen_US
dc.subject.lccTK5105.884 .S37 2012en_US
dc.subject.lcshSearch engines--Programming.en_US
dc.subject.lcshWeb search engines--Mathematical models.en_US
dc.subject.lcshInformation storage and retrieval systems.en_US
dc.subject.lcshInformation retrieval.en_US
dc.subject.lcshInternet searching.en_US
dc.titleAnalysis of Web search queries with very few or no resultsen_US
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